ADL5591:  1805 MHz to 1990 MHz Quadrature Modulator

This family of monolithic RF quadrature modulators is designed for use from 869 MHz to 960 MHz and from 1805 MHz to 1990 MHz. Excellent phase accuracy and amplitude balance enable high performance, ...More

ADL5591:  1805 MHz to 1990 MHz Quadrature Modulator

Product Description

This family of monolithic RF quadrature modulators is designed for use from 869 MHz to 960 MHz and from 1805 MHz to 1990 MHz. Excellent phase accuracy and amplitude balance enable high performance, direct RF modulation for communications systems.

The ADL5590 and ADL5591 can be used as direct RF modulators in digital communications systems such as those using the Global System for Mobile Communications (GSM) network. In addition, the parts are compatible with enhanced data rates for GSM evolution (EDGE).

This family is fabricated using an advanced silicon-germanium bipolar process from Analog Devices, Inc., and is available in a 36-lead, exposed paddle LFCSP. The devices operate from −40°C to +85°C.

Applications

  • Wireless infrastructure
  • Optimized for GSM transmitters

    • Data Sheet, Rev. 0, 5/07

    Features

    • Operating frequencies
      ADL5590: 869 MHz to 960 MHz
      ADL5591: 1805 MHz to 1990 MHz
    • Output compression point P1dB: 16 dBm
    • Output third-order intercept point OIP3
      ADL5590: 29 dBm @ 900 MHz
      ADL5591: 30 dBm @ 1900 MHz
    • Sideband suppression
      ADL5590: <−50 dBc @ 900 MHz
      ADL5591: <−47 dBc @ 1900 MHz
    • Noise floor: −157 dBm/Hz
    • Baseband common-mode bias: 1.5 V
    • LO leakage
      ADL5590: −50 dBc @ 900 MHz, POUT = 5 dBm
      ADL5591: −44 dBc @ 1900 MHz, POUT = 5 dBm
    • Single supply: 4.75 V to 5.25 V
    • Package: 36-lead, 6 mm × 6 mm LFCSP

    Diagrams

    ADL5591 Diagram
    Functional Block Diagram for ADL5591

    Specifications

    Function Mod
    RF Freq (MHz) 1805 to 1990
    Noise Floor (dBm/Hz) -157
    Voltage Supply (V) 4.75 to 5.25
    Supply Current (max) 170mA
    Package 36-Lead LFCSP

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